本文整理汇总了Python中threadpool.ThreadPool.submit方法的典型用法代码示例。如果您正苦于以下问题：Python ThreadPool.submit方法的具体用法？Python ThreadPool.submit怎么用？Python ThreadPool.submit使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类threadpool.ThreadPool的用法示例。
在下文中一共展示了ThreadPool.submit方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: Scheduler
# 需要导入模块: from threadpool import ThreadPool [as 别名]
# 或者: from threadpool.ThreadPool import submit [as 别名]
#.........这里部分代码省略.........
job, difference)
else:
try:
job.add_instance()
except MaxInstancesReachedError:
event = JobEvent(EVENT_JOB_MISSED, job, run_time)
self._notify_listeners(event)
logger.warning('Execution of job "%s" skipped: '
'maximum number of running instances '
'reached (%d)', job, job.max_instances)
break
logger.info('Running job "%s" (scheduled at %s)', job,
run_time)
try:
retval = job.func(*job.args, **job.kwargs)
except:
# Notify listeners about the exception
exc, tb = sys.exc_info()[1:]
event = JobEvent(EVENT_JOB_ERROR, job, run_time,
exception=exc, traceback=tb)
self._notify_listeners(event)
logger.exception('Job "%s" raised an exception', job)
else:
# Notify listeners about successful execution
event = JobEvent(EVENT_JOB_EXECUTED, job, run_time,
retval=retval)
self._notify_listeners(event)
logger.info('Job "%s" executed successfully', job)
job.remove_instance()
# If coalescing is enabled, don't attempt any further runs
if job.coalesce:
break
def _process_jobs(self, now):
"""
Iterates through jobs in every jobstore, starts pending jobs
and figures out the next wakeup time.
"""
next_wakeup_time = None
self._jobstores_lock.acquire()
try:
for alias, jobstore in iteritems(self._jobstores):
for job in tuple(jobstore.jobs):
run_times = job.get_run_times(now)
if run_times:
self._threadpool.submit(self._run_job, job, run_times)
# Increase the job's run count
if job.coalesce:
job.runs += 1
else:
job.runs += len(run_times)
# Update the job, but don't keep finished jobs around
if job.compute_next_run_time(now + timedelta(microseconds=1)):
jobstore.update_job(job)
else:
self._remove_job(job, alias, jobstore)
if not next_wakeup_time:
next_wakeup_time = job.next_run_time
elif job.next_run_time:
next_wakeup_time = min(next_wakeup_time,
job.next_run_time)
return next_wakeup_time
finally:
self._jobstores_lock.release()
def _main_loop(self):
"""Executes jobs on schedule."""
logger.info('Scheduler started')
self._notify_listeners(SchedulerEvent(EVENT_SCHEDULER_START))
self._wakeup.clear()
while not self._stopped:
logger.debug('Looking for jobs to run')
now = datetime.now()
next_wakeup_time = self._process_jobs(now)
# Sleep until the next job is scheduled to be run,
# a new job is added or the scheduler is stopped
if next_wakeup_time is not None:
wait_seconds = time_difference(next_wakeup_time, now)
logger.debug('Next wakeup is due at %s (in %f seconds)',
next_wakeup_time, wait_seconds)
self._wakeup.wait(wait_seconds)
else:
logger.debug('No jobs; waiting until a job is added')
self._wakeup.wait()
self._wakeup.clear()
logger.info('Scheduler has been shut down')
self._notify_listeners(SchedulerEvent(EVENT_SCHEDULER_SHUTDOWN))